Journal of the
Korean Mathematical Society
JKMS

ISSN(Print) 0304-9914 ISSN(Online) 2234-3008

Article

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J. Korean Math. Soc. 1999; 36(1): 125-137

Printed January 1, 1999

Copyright © The Korean Mathematical Society.

Manifolds with nonnegative Ricci curvature almost everywhere

Seong-Hun Paeng

Abstract

Under the condition of $\text{Ric}_M\ge-(n-1)k$, $\text{inj}_M\ge i_0$, we prove the existence of an $\ep>0$ such that on the region of volume $\ep>0$ the curvature condition of splitting theorem can be weakened.

Keywords: Ricci curvature, splitting theorem

MSC numbers: Primary 53C20; Secondary 53C21